/**
 * Nextcloud - News
 *
 * This file is licensed under the Affero General Public License version 3 or
 * later. See the COPYING file.
 *
 * @author Bernhard Posselt <dev@bernhard-posselt.com>
 * @copyright Bernhard Posselt 2014
 */
app.controller('SettingsController',
    function ($route, $q, SettingsResource, ItemResource, OPMLParser,
              OPMLImporter, Publisher) {
        'use strict';
        this.isOPMLImporting = false;
        this.isArticlesImporting = false;
        this.opmlImportError = false;
        this.articleImportError = false;
        this.opmlImportEmptyError = false;
        var self = this;

        var set = function (key, value) {
            SettingsResource.set(key, value);

            if (['showAll', 'oldestFirst', 'compact'].indexOf(key) >= 0) {
                $route.reload();
            }
        };

        this.toggleSetting = function (key) {
            set(key, !this.getSetting(key));
        };

        this.getSetting = function (key) {
            return SettingsResource.get(key);
        };

        this.importOPML = function (content) {
            self.opmlImportError = false;
            self.opmlImportEmptyError = false;
            self.articleImportError = false;

            try {
                this.isOPMLImporting = false;
                var parsedContent = OPMLParser.parse(content);

                var jobSize = 5;

                if (parsedContent.folders.length === 0 &&
                    parsedContent.feeds.length === 0) {
                    self.opmlImportEmptyError = true;
                } else {
                    OPMLImporter.importFolders(parsedContent)
                        .then(function (feedQueue) {
                            return OPMLImporter.importFeedQueue(feedQueue,
                                jobSize);
                        }).finally(function () {
                        self.isOPMLImporting = false;
                    });
                }

            } catch (error) {
                this.opmlImportError = true;
                console.error(error);
                this.isOPMLImporting = false;
            }
        };

        this.importArticles = function (content) {
            this.opmlImportError = false;
            this.articleImportError = false;

            try {
                this.isArticlesImporting = true;
                var articles = JSON.parse(content);

                var self = this;
                ItemResource.importArticles(articles).then(function (data) {
                    Publisher.publishAll(data);
                }).finally(function () {
                    self.isArticlesImporting = false;
                });

            } catch (error) {
                console.error(error);
                this.articleImportError = true;
                this.isArticlesImporting = false;
            }
        };

    });